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A Search for Terrestrial Intelligence

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The Eerie Silence Paul Davies "Are there other people out there in the Universe?" the excited eyes of a primary school kid looking at her with a sparkle. Ellie smiles. "The most important thing is, that you all keep searching for your own anwsers. I'll tell you one thing about the universe, though. The universe is a pretty big place. It's bigger than anything anyone has ever dreamed of before. So if it's just us... it seems like an awful waste of space. Right?" The book is about the Fermi paradox - "Where is everyone?" And it's about SETI. How do you define "life"? Not the most pertinent question here on Sol 3, which has enough life for eight planets, to borrow a phrase from Prot. But inescapable, if you're tasked with finding it elsewhere in the Universe. What exactly should you look for? And what is "intelligence"? Are we searching for extraterrestrial intelligence, because the evidence for intelligent life